/*
 * Copyright (C) 2008 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect.testing.testers;

import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE;
import static com.google.common.collect.testing.features.CollectionSize.ONE;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MinimalCollection;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests removeAll operations on a list. Can't be invoked directly;
 * please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("unchecked") // too many "unchecked generic array creations"
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
public class ListRemoveAllTester<E> extends AbstractListTester<E>
{
    @CollectionFeature.Require(SUPPORTS_REMOVE)
    @CollectionSize.Require(absent = {ZERO, ONE})
    public void testRemoveAll_duplicate()
    {
        ArrayWithDuplicate<E> arrayAndDuplicate = createArrayWithDuplicateElement();
        collection = getSubjectGenerator().create(arrayAndDuplicate.elements);
        E duplicate = arrayAndDuplicate.duplicate;

        assertTrue(
                "removeAll(intersectingCollection) should return true",
                getList().removeAll(MinimalCollection.of(duplicate)));
        assertFalse(
                "after removeAll(e), a collection should not contain e even "
                        + "if it initially contained e more than once.",
                getList().contains(duplicate));
    }

    // All other cases are covered by CollectionRemoveAllTester.
}
